Reincarnated in the World of High School DxD

Several days later, Kazuki found himself tasked with a covert mission by Rias.

"Find out what Issei and Koneko are up to," Rias ordered. "They've been sneaking off together after school, and it's obvious they're hiding something. Whatever it is, it might lead to trouble. I need you to investigate and stop them if necessary."

Kazuki tailed them from a distance, enhancing his vision and hearing with magic.

At the school gate, Issei and Koneko met up with Saji, a member of the Sitri peerage, before heading out of the school grounds. A short walk later, they regrouped with Yumi at a nearby park.

Yumi had been skipping classes and avoiding Rias's calls, so her unexpected appearance, looking healthy despite the situation, brought some relief to the group.

The four began wandering through the more desolate parts of the town, their actions clearly a ploy to lure out an ambush from the fallen angels.

As they roamed the quiet alleys, it wasn't uncommon for delinquents and thugs to take notice of Yumi and Koneko, their filthy, lewd gazes roaming over the girls' bodies with depraved intent.

Of course, such fools were promptly dealt with—Yumi and Koneko leaving them crumpled and defeated without so much as breaking a sweat. The two men, Issei and Saji, found their involvement completely unnecessary.

By the time evening melted into night, their search concluded without any tangible results.

Aside from helping to maintain the town's peace, they'd gained nothing, and the fatigue of days spent repeating the same routine was written all over their faces.

That's when everything shifted.

Out of nowhere, a white-haired priest appeared, brandishing a holy sword, and launched a sudden attack.

Yumi responded immediately, her hatred fueling the creation of a demonic sword in her hand, clashing against the priest.

Saji activated his Sacred Gear, Absorption Line, its black tendrils lashing out and wrapping around the priest to restrain him.

Meanwhile, Issei summoned Boosted Gear, but his and Koneko's close-combat styles left them hesitant to engage such a potent holy weapon.

Kazuki, ever the observant one, pulled out his phone and called Rias.

"Kazuki? What's going on?" Rias's voice was concerned as she answered after just a few rings.

"It's Issei and Koneko. They're with Yumi and, for some reason, Saji from the Student Council. They're currently under attack by some priest wielding a holy sword."

"...! What's the situation?"

"It's evenly matched for now. Yumi's holding her own while Saji provides support. Issei and Koneko are hesitating because of the holy sword. Wait a second—"

"Huh? What happened?"

"Looks like Issei just unlocked a new ability. He can transfer his boosted power to others!! This is gonna give him a lot more flexibility in combat."

Empowered by Issei's transferred strength, Yumi began pushing the priest back. Her onslaught with the demonic sword was relentless, each strike wild and deadly.

But the priest, despite being cornered, managed to evade her blows and retaliate with calculated precision.

"That priest is insane," Kazuki muttered, watching with narrowed eyes. "Even with doubled power, he's still holding her off… Oh, by the way, Issei called him Freed. Does that name ring any bells, Rias?"

"H-Huh!" Rias's voice turned venomous. "Yes, it does. He's a rogue exorcist—a lunatic who betrayed the Church to side with the fallen angels. I fought him before you joined my peerage."

'An old enemy, then.'

While the name stirred rage in Rias, Yumi, and the others were slowly gaining the upper hand against him. Among them, Saji stood out the most.

His Absorption Line was proving invaluable, restricting Freed's movements and sapping his strength, making him an exceptional support.

But just as things seemed to be turning in their favor, the situation escalated.

"Well, well," Kazuki remarked with a smirk. "Another one just showed up. An old priest named Valper Galilei. Heard of him?"

"No… I don't think I have."

"Figures. But get this—he's apparently the bastard responsible for purging the kids involved in the 'Holy Sword Project.' Yumi's absolutely seething."

"...What!? That monster!"

Before Rias could fully process what Kazuki had told her, reinforcements arrived.

Irina and Xenovia joined the fray, their holy swords drawn and ready.

Xenovia immediately clashed blades with Freed, her movements fierce and unyielding. Realizing the odds were stacked against him, Freed urged Valper to retreat.

"They're falling back," Kazuki noted.

"I'm going after them. Can you handle things here? They're heading toward the station—"

"Understood," Rias cut in decisively. "Sona and I will teleport there immediately."

"Good. See you later." Kazuki ended the call just as Freed and Valper made their escape.

Yumi, Xenovia, and Irina were quick to give chase. Kazuki followed without hesitation, not one to be left behind.

By the time Rias and Sona teleported to the scene, they were greeted by an awkward sight: Issei, Koneko, and Saji all looking visibly sheepish, guilt written all over their faces.

Rias didn't waste time.

She ordered the group to kneel near a fountain, their expressions turning pale as her stern, crimson aura bore down on them.

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